- A digital mode decoding and terminal program that uses no terminal unit, terminal node controller, or multimode hardware.
It does all its decoding using the sound card inside the computer, and it can interface with a radio using a COM port.
Zakanaka is an extremely cost-effective way of operating PSK31 and RTTY
- Zelscope is a Windows software that converts your PC into a dual-trace storage oscilloscope and spectrum analyzer. It uses your computer's sound card as analog-to-digital converter, presenting a real-time waveform or spectrum of the signal - which can be music, speech, or output from an electronic circuit.